Update v17 Release notes with a Breaking Change

[MrFabio]

Description

Added a note to the Breaking Changes for the updated version of init_db.sql

Related Issue(s)

#12206

Checklist

• "Backport to:" labels have been added if this change should be back-ported
• Tests were added or are not required
• Did the new or modified tests pass consistently locally and on the CI
• Documentation was added or is not required

Deployment Notes

None.

[vitess-bot]

Review Checklist

Hello reviewers! 👋 Please follow this checklist when reviewing this Pull Request.

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• Ensure that the Pull Request has a descriptive title.
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[mattlord]

LGTM. Thanks, @MrFabio ! I've made the same change in the GitHub release page: https://github.com/vitessio/vitess/releases/tag/v17.0.0

[frouioui]

Hello @MrFabio, thank you for this contribution. Can you also edit the release_notes.md file please?

Note to maintainers: we will need to update the release notes on the UI once this is merged. EDIT: #14215 (review) @mattlord did it.

[MrFabio]

Hello @MrFabio, thank you for this contribution. Can you also edit the release_notes.md file please?

Note to maintainers: we will need to update the release notes on the UI once this is merged. EDIT: #14215 (review) @mattlord did it.

Done

[frouioui]

LGTM, thank you!